90w Small Solar Panels for Home Solar Energy Systems - In Stock China Manufacturer
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
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Specification
Product Description:
Hot Sale !!! Quality and Safety of Small Poly Solar Panel 5w~150w
1. Rigorous quality control meets the highest international standards.
2. High-transmissivity low-iron tempered glass, strong aluminium frame.
3. Using UV-resistant silicon.
4. IS09001/14001/CE/TUV/UL
Warranties of Small Poly Solar Panel 35~85w
1. 10 years limited product warranty
2. 15 years at 90% of the minimal rated power output
3. 25 years at 80% of the minimal rated power output
Specification
Characteristics of Poly solar panels CNBM (245-320W) | |||||
Max Power Voltage Vmp(V) | 30.3 | 30.8 | 31.1 | 31.4 | 31.85 |
Max Power Current Imp(A) | 7.60 | 7.64 | 7.73 | 7.81 | 7.85 |
Open Circuit Voltage Voc(V) | 36.1 | 36.6 | 37 | 37.3 | 37.68 |
Short Circuit Current Isc(A) | 8.50 | 8.55 | 8.65 | 8.75 | 8.85 |
Max Power Pm(W) | 230W | 235W | 240W | 245W | 250W |
Temperature Coefficient of Cells Poly solar panels CNBM (245-320W) | |
NOCT | 45± 2 |
Temperature Coeffucients of Isc | 0.0492 |
Temperature Coeffucients of Voc | -0.3374 |
Temperature Coeffucients of Voc | -0.4677 |
Mechanical Data of Poly solar panels CNBM (245-320W) | |
Dimension | 1638 × 982 × 40 mm |
Weight | 19.5 kg |
No. of Cells and Connections | 60 (6 ×10) |
Tolerance | 0 ~ + 5 W |
Cell | Monocrystalline Cell 156 × 156 mm |
Packing | 624 Pcs/40ft(H) Container |
Limits of Poly solar panels CNBM (245-320W) | |
Operating Temperature | -40 to +85 |
Storage Temperature | -40 to +85 |
Max System Voltage | 1000VDC(IEC) / 600VDC(UL) |
Features of our products:
• High conversion efficiency mono/poly-crystalline amorphous silicon solar cells
• Modules incorporate high performance bypass diodes to minimize the power drop caused by shading
• High transmittance, low-iron tempered glass
• High performance EVA encapsulant to prevent destroying and water.
• AI frame: without screw, corner connection. 8 holes on the frame can be installed easily
• Good performance of preventing from atrocious weather such as wind and hails
• Certifications: CE IEC TUV VDE UL, Class I
• 10 years 90% power output warranty
Shipping of Small Poly Solar Panel 35~85w
By Sea | Delivery from Shanghai or Ningbo seaport |
By Air | Departure from Shanghai Pudong Airport |
By Express | Post by DHL, EMS, UPS, TNT. |
Features of our products:
• High conversion efficiency mono/poly-crystalline amorphous silicon solar cells
• Modules incorporate high performance bypass diodes to minimize the power drop caused by shading
• High transmittance, low-iron tempered glass
• High performance EVA encapsulant to prevent destroying and water.
• AI frame: without screw, corner connection. 8 holes on the frame can be installed easily
• Good performance of preventing from atrocious weather such as wind and hails
• Certifications: CE IEC TUV VDE UL, Class I
• 10 years 90% power output warranty
As a professional Solar Panel manufacturer and Supplier in China, we have our customers come around the whole world and our specialization has got a worldwide recognition. Meanwhile, with our superior quality, competitive price, prompt and excellent service, As main role in trade section of CNBM Group, CNBM International Corporation supplies products including Monocrystalline Solar Panel, Polycrystalline Solar Panel ( multicrystalline silicon Solar Panel) have received and enjoyed famous reputation in many countries and regions in the world.
- Q: Are there any disadvantages or limitations to using solar energy systems?
- Yes, there are a few disadvantages and limitations to using solar energy systems. Firstly, solar panels require a significant initial investment, making the upfront costs relatively high. Additionally, the efficiency of solar panels is dependent on factors such as weather conditions and geographic location, which may impact their energy production. Solar energy is also intermittent, meaning it cannot be generated during nighttime or cloudy days, requiring the use of energy storage systems or alternative power sources. Finally, the manufacturing and disposal of solar panels can have environmental impacts, although these are generally outweighed by the long-term benefits of using solar energy.
- Q: How do solar energy systems impact social equity?
- Solar energy systems can have a positive impact on social equity by providing access to clean and affordable energy for all. By reducing reliance on fossil fuels, solar energy helps to mitigate climate change, which disproportionately affects marginalized communities. Additionally, solar power can create job opportunities and stimulate local economies, promoting social and economic development.
- Q: How does the efficiency of solar panels vary across different temperatures?
- The efficiency of solar panels can vary across different temperatures due to the inherent characteristics of the materials used in their construction. Generally, as the temperature increases, the efficiency of solar panels tends to decrease. This phenomenon is known as the temperature coefficient. The temperature coefficient is a measure of how much the efficiency of a solar panel decreases for every degree Celsius increase in temperature. Different types of solar panels have different temperature coefficients, and this coefficient is usually provided by the manufacturer. One of the main reasons for the decrease in efficiency with increasing temperature is the impact on the semiconducting materials used in solar panels. These materials, such as silicon, are sensitive to temperature changes and can experience increased resistance as the temperature rises. This increased resistance results in a reduction in the amount of electricity that can be generated from the sunlight falling on the panel. Another factor that affects the efficiency of solar panels at higher temperatures is the decrease in the open-circuit voltage. The open-circuit voltage is the maximum voltage that can be obtained from a solar panel when no load is connected. As the temperature increases, the open-circuit voltage tends to decrease, leading to a decrease in overall efficiency. However, it's important to note that the decrease in efficiency is not necessarily linear. At extremely high temperatures, the decrease in efficiency may be more significant, while at moderately high temperatures, the decrease may be relatively small. To mitigate the impact of temperature on solar panel efficiency, manufacturers often incorporate various design features. These may include using materials with lower temperature coefficients, incorporating cooling mechanisms such as heat sinks or ventilation, or even utilizing tracking systems that adjust the angle of the panels to maximize sunlight exposure while minimizing temperature effects. Overall, while solar panels are still effective at generating electricity even at higher temperatures, it is important to consider the temperature coefficient and design features to ensure optimal efficiency and performance.
- Q: How do solar energy systems affect roof maintenance?
- Solar energy systems can actually help extend the lifespan of roofs and reduce the need for regular maintenance. This is because solar panels act as a protective layer, shielding the roof from various weather elements such as rain, snow, and UV rays. Additionally, solar panels can prevent debris from accumulating on the roof's surface, reducing the risk of damage or leaks. However, periodic inspection and cleaning of the panels may be required to ensure optimal performance and to address any potential issues.
- Q: How do solar energy systems impact the electrical grid?
- Solar energy systems impact the electrical grid by reducing the demand for traditional electricity generation from fossil fuels. When solar panels generate excess electricity, it can be fed back into the grid, reducing the need for power plants and decreasing carbon emissions. However, the intermittent nature of solar power can pose challenges for grid operators in managing fluctuations and balancing supply and demand.
- Q: How does the efficiency of solar panels vary across different panel technologies?
- The efficiency of solar panels can vary significantly across different panel technologies. Traditional silicon-based panels, also known as monocrystalline or polycrystalline panels, have an average efficiency range of 15% to 20%. However, newer technologies like thin-film solar panels, such as amorphous silicon or cadmium telluride, have lower efficiencies ranging from 10% to 12%. On the other hand, emerging technologies like perovskite solar cells have shown great promise with efficiencies exceeding 25%. Therefore, it can be concluded that the efficiency of solar panels varies based on the specific technology employed.
- Q: What is the impact of shade from nearby buildings or trees on the performance of solar panels?
- The impact of shade from nearby buildings or trees on the performance of solar panels is significant. Shade reduces the amount of sunlight reaching the panels, which in turn decreases their efficiency. Even a small amount of shade can have a noticeable impact on the overall power output of the panels. It is crucial to ensure that solar panels are installed in locations with minimal shade to maximize their performance and energy generation.
- Q: Can a solar energy system be installed in an area with a high earthquake risk?
- Yes, a solar energy system can be installed in an area with a high earthquake risk. However, the installation of such a system would require careful planning and engineering to ensure its stability and resilience against seismic activities. When installing a solar energy system in an earthquake-prone area, it is vital to consider the specific requirements of the region and adhere to the local building codes and regulations. These codes often include guidelines and specifications for constructing structures that can withstand seismic forces. To mitigate the risks associated with earthquakes, several measures can be taken during the installation process. These include: 1. Foundation Design: The solar energy system should have a robust foundation that is designed to withstand ground shaking. Anchoring the system properly will prevent it from toppling or sliding during an earthquake. 2. Structural Design: The structural components of the solar energy system, such as the mounting frames and supports, should be designed to withstand seismic forces. Reinforcements like additional bracing or crossbars can be added to enhance the system's stability. 3. Flexible Wiring: The electrical wiring within the solar energy system should be installed using flexible conduit and connectors. This will allow for movement during an earthquake without damaging the system or causing electrical failures. 4. Maintenance and Inspections: Regular maintenance and inspections are crucial to identify any potential weaknesses or damage to the solar energy system. This will ensure that any necessary repairs or reinforcements are carried out promptly, reducing the risk of failure during an earthquake. By following these guidelines and working closely with experienced engineers and solar energy professionals, it is possible to install a solar energy system in an area with a high earthquake risk. This will not only help in harnessing clean and renewable energy but also contribute to the resilience and sustainability of the local energy infrastructure.
- Q: What is the lifespan of a solar battery?
- The lifespan of a solar battery can vary depending on various factors such as the quality of the battery, usage patterns, and maintenance. On average, a well-maintained solar battery can last anywhere from 5 to 15 years. However, with advancements in technology and improvements in battery manufacturing, some high-quality solar batteries have been known to last up to 20 years or more.
- Q: Can solar energy systems be installed on flat roofs?
- Yes, solar energy systems can be installed on flat roofs. Flat roofs are actually quite suitable for solar panel installation as they provide a relatively simple and accessible platform. However, it is important to consider factors such as the available space, orientation, and shading to ensure optimal efficiency.
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90w Small Solar Panels for Home Solar Energy Systems - In Stock China Manufacturer
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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